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Preparation of Authigenic Pyrite from Methane-bearing Sediments for In Situ Sulfur Isotope Analysis Using SIMS
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Comentario a "La formación abiótica de pirita produce una gran fraccionamiento del isótopo Fe"

Andrew D Czaja1, Clark M Johnson, Kosei E Yamaguchi

  • 1Department of Geoscience, University of Wisconsin, Madison, WI 53706, USA. aczaja@geology.wisc.edu

Science (New York, N.Y.)
|February 4, 2012
PubMed
Resumen

La fraccionamiento de isótopos de hierro en rocas antiguas es impulsado principalmente por procesos biológicos, no por la formación de pirita abiótica. Esta investigación pone de relieve el papel significativo de la vida temprana en la configuración de los registros geoquímicos de la Tierra.

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